FFA Veterinary Science CDE Practice Test

Frozen semen is typically stored at what temperature?

1. 320 degrees Fahrenheit

2. 32 degrees Fahrenheit

3. Minus 32 degrees Fahrenheit

4. Minus 320 degrees Fahrenheit

The correct answer is: Minus 320 degrees Fahrenheit

Frozen semen is typically stored at extremely low temperatures to preserve the viability of sperm cells. The correct temperature of minus 320 degrees Fahrenheit ensures that the semen remains in a frozen state, which prevents any metabolic processes and cellular activity that could lead to degradation of the sperm. At this temperature, the semen can be stored for long periods without loss of fertility potential, making it a reliable option for artificial insemination in veterinary practices. The low temperature also helps protect the genetic material from damage, ensuring that it can be used successfully when needed. Other temperatures, such as those above this, would not effectively maintain the frozen state required for long-term storage. For example, 32 degrees Fahrenheit is actually a standard refrigeration temperature, which is unsuitable for preserving frozen semen. Likewise, minus 32 degrees Fahrenheit and 320 degrees Fahrenheit are not conducive to preserving sperm. Thus, minus 320 degrees Fahrenheit is the only viable temperature for such storage.